{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["media", "geographical phenomenon", "time", "location"], "input": "Genera is an example of an object-oriented operating system based on the programming language Lisp ."}
{"media": [], "geographical phenomenon": [], "time": [], "location": []}